The Midwest Fixed Back-Up AR15 Iron Sight (MI-CBUIS) features a Mil-Spec height, standard A2 aperture, and is made from billet T6-6061 aluminum.

Features:

• Mil-Spec height
• Standard A2 rear sight aperture (Can use Trijicon replacement apertures- Not included)
• Billet machined from T6 6061 aluminum
• Hardcoat anodized
• Rifle .5 MOA / Carbine .65 MOA click adjustments
• Weight 1.9oz